MySQL5.7.37安装配置

1.下载MySQL软件包并解压

2.配置环境变量

3.新建my.ini文件并输入信息

[mysqld]
#端口号
port = 3306
#mysql-5.7.27-winx64的路径
basedir=C:\mysql-5.7.37\mysql-5.7.37-winx64
#mysql-5.7.27-winx64的路径+\data
datadir=C:\mysql-5.7.37\mysql-5.7.37-winx64\data 
#最大连接数
max_connections=200
#编码
character-set-server=utf8
 
default-storage-engine=INNODB
 
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
 
[mysql]
#编码
default-character-set=utf8

4.以管理员身份运行cmd 输入下载命令安装MySQL

mysqld -install

mysqld --initialize

mysqld --initialize

net start mysql

注意:如果出现以下错误那么我们需要去下载一下所需要的文件

下载地址：https://www.microsoft.com/zh-CN/download/details.aspx?id=40784

5.修改密码

skip-grant-tables 将其添加在my.ini文件中 


net stop mysql  重启一下mysql

net start mysql

mysql -u root -p  直接回车回车

use mysql


update user set authentication_string=password("123456") where user="root";

然后在my.ini中删掉这句话保存退出

6.停掉MySQL服务-MySQL 右键停止

7.再次登录mysql

C:\mysql-5.7.37\mysql-5.7.37-winx64\bin> net start mysql
MySQL 服务正在启动 .
MySQL 服务已经启动成功。


C:\mysql-5.7.37\mysql-5.7.37-winx64\bin> mysql -u root -p
Enter password: 123456
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.37

Copyright (c) 2000, 2022, Oracle and/or its affiliates.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> use mysql
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.

use mysql报错 我们重置一下密码
mysql> alter user user() identified by "123456";
Query OK, 0 rows affected (0.00 sec)

mysql> use mysql
Database changed
mysql>

重置密码大功告成